Multidimensional half-moment multigroup radiative transfer - Improving moment-based thermal models of circumstellar disks

Open Access

Fig. 1

Comparison of the Eddington factor in this work’s half-moment closure (ξ_HM) and the M1 closure (ξ_M1) as functions of $f = ∥ F_{\pm} ∥ / E$ $f=\left\|\boldsymbol{F}_{\pm}\right\| / E$ and $∥ F ∥ / E$ $\|\boldsymbol{F}\| / E$ , respectively. Vertical dotted lines indicate f = 2/7 (HM minimum flux) and 1/2 (isotropic limit in the HM case), while the horizontal dotted line indicates ξ = 1/3 (isotropic limit).

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